35results about How to "Quantitative evaluation" patented technology

The invention relates to a method for representing center segregation of a high-carbon steel wire rod. The method includes differentiating a cementite phase and a ferrite phase at first; measuring carbon contents of different positions of the high-carbon steel wire rod by a 3DAP (three-dimensional atom probe); and comparing the carbon contents so that the center segregation of the high-carbon steel wire rod can be effectively evaluated. The different positions of the high-carbon steel wire rod at least include a severe segregation position and a segregation-free position. Compared with the traditional method, the method has the advantages that segregation of carbon of the high-carbon steel hot-rolled wire rod which is pearlite can be quantitatively and accurately evaluated, and the method is particularly applicable to evaluating steel with high requirement on the center segregation, such as tire cord steel with the carbon content ranging from 0.72% to 0.92%, cutting steel wires with the carbon contents ranging from 0.72% to 0.92%, galvanized steel wires with the carbon contents ranging from 0.82% to 0.87% for bridges, steel strands with the carbon contents ranging from 0.82% to 0.87% for bridges, and the like.

The invention discloses a concrete wool washing quality evaluation method, device and system, and the method comprises: scanning a target region of concrete subjected to wool washing operation through scanning equipment, and obtaining the three-dimensional point cloud data of the target region and a target region image according to a scanning result; preprocessing the three-dimensional point cloud data, and determining roughness parameters of the target area based on a predetermined working condition, a pre-constructed working condition-roughness relationship and the preprocessed point cloud data, wherein the roughness parameters includes at least one of the following: a filling volume, an average fluctuation degree, a normal vector statistical index, a surface area expansion rate and a curvature statistical index; preprocessing the target area image, identifying the preprocessed image based on a boundary identification algorithm, and determining image features of the target area based on a predetermined working condition, a pre-constructed working condition-image feature relationship and the identified image; and evaluating the concrete scouring quality according to the roughness parameter and the image feature of the target area.

The invention provides a method for quantitatively predicting exploitation and storage of a carbon dioxide enhanced gas reservoir, which realizes simulation reduction of multiple continuous injection-production processes in a mode of combining GCMC and PR-EOS, and comprises a primary pressure reduction process and multiple CO2 swallowing-spitting processes. Adsorption simulation of gas molecules in rock pores at different temperatures and pressures is realized by adopting a GCMC algorithm, an adsorption isotherm map of methane/carbon dioxide in the rock pores at a reservoir temperature is obtained, and the map is taken as a reference of gas density change in the rock pores in an injection-production process; and the pressure intensity of the system after CO2 injection is calculated through PR-EOS, and continuous injection and production are achieved. The yield increasing effect of CO2 can be quantitatively evaluated, the optimal exploitation path is obtained by comparing the methane recovery efficiency and the carbon dioxide storage rate under different injection paths, and the invention has guiding significance on engineering design of CO2 enhanced gas reservoir exploitation.

The invention provides an imaging omics feature processing method and device for a flat scanning CT image. The method comprises the steps: obtaining a chest flat-scanning thin-layer CT image which comprises a CT image of novel coronavirus pneumonia and CT images of other viral pneumonia in the same period; carrying out region-of-interest sketching on the CT image layer by layer, and extracting animage omics feature in the region; modeling by using the gradient boosting tree model, determining model parameters of the gradient boosting tree model based on an improved genetic algorithm, and performing feature selection to obtain final model parameters and a final feature selection result, wherein the model parameters comprise the maximum weak learner number, the learning rate and the sub-sampling proportion; constructing a final gradient boosting tree model by using the final feature selection result and the final model parameters; adding the probability of predicting the novel coronavirus pneumonia of each decision tree by using the final gradient boosting tree model to obtain a final iconography marker feature.

The invention discloses a power grid emergency event emergency drill evaluation method and device and a storage medium. The method comprises the steps of establishing a power grid emergency event emergency drill evaluation index system according to an emergency drill role; calculating according to an analytic hierarchy process to obtain the weight of each evaluation index in each hierarchy in the evaluation index system; calculating a single-index factor evaluation matrix according to a scoring interval in which a comment of each evaluation index is located; and calculating according to the weight and the single index factor evaluation matrix to obtain an evaluation result of the power grid emergency event emergency drill evaluation. Through implementation of the method, a power grid emergency event emergency drill evaluation index system is established in a responsibility division mode, the weight of each evaluation index in each level in the evaluation index system is calculated by adopting an analytic hierarchy process, and a single-index factor evaluation matrix of each evaluation index is obtained through an expert scoring mode. And finally, comprehensive evaluation of each index is realized in combination with the calculated weight and the single-index factor evaluation matrix, and the reliability is high.

The invention discloses a base material surface cleanliness evaluation method for metal base material construction and formation, which comprises the following steps of: setting weight coefficients corresponding to oil stains, particles and cuttings according to a test result, detecting pollution scores of different pollutants by using different methods respectively, and calculating the product sum of all pollution weight coefficients and pollution scores, so that the surface cleanliness is quantitatively represented. The invention provides an accurate and systematic surface cleanliness evaluation method for metal base material construction and forming. The pollutant weight coefficient is determined on the basis of the degrees of adverse effects of different pollutants on the healing of the substrate interface; and different detection methods are adopted for different pollutants, and pollution scores of the different pollutants are determined. According to the method, the pollution value is determined according to the sum of the products of the weight coefficients of the pollutants and the pollution scores, the contrast relation is formulated, and finally the cleanliness grade is determined, so that the surface cleanliness of the base material is accurately and quantitatively evaluated.

The invention discloses a transformer area line loss evaluation method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring sample data of a transformer area; determining a first target parameter, a second target parameter and a third target parameter according to the sample data; and determining the stability of the transformer area according to the first target parameter, determining the line loss degree of the transformer area according to the second target parameter, and determining the electric quantity loss condition and the abnormal phenomenon of the transformer area according to the third target parameter. According to the technical scheme, the stability, the line loss degree, the electric quantity loss condition and the abnormal phenomenon of the transformer area are determined through the first target parameter, the second target parameter and the third target parameter, and the line loss condition of the transformer area can be evaluated comprehensively and quantitatively.

The invention discloses composite evaluation equipment and method for an aluminum alloy laser welding structure. The equipment mainly comprises a control system, a movement system, a welding seam locating and tracking system, a portable X-ray diffractometer, an ultrasonic detector and a detection working platform. The invention aims to realize the detection and evaluation of the welding structure on the premise of not damaging the aluminum alloy welding structure. The welding seam locating and tracking system is used for carrying out recognition, positioning and three-dimensional shape reconstruction on a welding seam, and a specific quality detection means is selected according to the geometrical characteristics of a weldment. A six-axis robot carries the welding seam locating and tracking system, theportable X-ray diffractometer and the ultrasonic detector. Detection of the aluminum alloy laser welding structure is achieved, and detection data are collected and analyzed to obtain an evaluation result. A detection and evaluation means including welding seam locating and scanning, three-dimensional model reconstruction, parameter extraction, reasonable detection means selection, data statistical analysis and conclusion evaluation is formed.

The invention relates to a visual task mental load quantitative evaluation method and system. The method comprises the steps: firstly constructing an information structure diagram of each task sub-interface on an information display and control task interface based on a given information display and control task interface, and calculating the information complexity of each task sub-interface according to the information structure diagram of each task sub-interface based on the Shannon theorem; then calculating the visual task demand load and the visual personnel working capability of each task according to the information complexity, and calculating the mental load and the maximum residual mental load of the tester for completing each task by utilizing the visual task demand load and the visual personnel working capability; and finally, according to the mental load and the maximum residual mental load, processing and quantifying the mental load occupancy rate of each task of the tester in the task process, thereby realizing real-time and quantitative evaluation of the mental load.

The invention belongs to the technical field of chemical engineering, and relates to a method for evaluating the organic surface coating effect of special titanium dioxide for plastics. The inventionaims to provide a method for evaluating the organic surface coating effect of special titanium dioxide for plastics. The method comprises the following steps of: A, drying titanium dioxide, cooling the titanium dioxide to room temperature, adding the titanium dioxide into desalted water, performing stirring, and observing and recording the hydrophobic condition of the titanium dioxide; b, heatingthe desalted water containing the titanium dioxide in the step A, carrying out condensation reflux in the heating process, cooling after heating is finished, and performing filtering to obtain filtrate and residues; and C, calcining the residues, performing cooling and weighing sequentially, and measuring the turbidity of the filtrate. The method provided by the invention can quantitatively and accurately evaluate the organic surface coating effect of the titanium dioxide special for different plastics.

The invention discloses a real-time monitoring device and method for cold spraying coating and interface defects thereof, and belongs to the field of electromagnetic nondestructive testing technology and surface engineering. The real-time monitoring device mainly comprises a signal generation module, a magnetic field excitation module, a motion control module, a data acquisition module and a device fixing module. The signal generation module comprises a signal generator and a power amplifier; the magnetic field excitation module comprises a U-shaped magnet yoke, a magnet exciting coil and a signal receiver; the motion control module is mainly composed of a mechanical arm. The data acquisition module comprises a voltage amplifier, a data acquisition card and an upper computer; the device fixing module comprises a support, a base and a clamp. The magnetic field excitation module and the cold spraying device synchronously move in the monitoring process, real-time monitoring on defects of a base body and a coating of a ferromagnetic material in the cold spraying process is achieved, and the unforeseen circumstances of strength failure, coating stripping and the like of a remanufactured part are avoided.

The invention discloses a method for evaluating the temperature uniformity of hot-rolled strip steel in the width direction, and relates to the technical field of hot-rolled strip steel. The invention discloses a method for evaluating the temperature uniformity of hot rolled strip steel in the width direction. Comprising the following steps: adding a temperature measuring line and generating temperature data of the temperature measuring line; processing the data to determine the edge position point of the strip steel; converting the relative coordinates into strip steel width absolute position points; and finally, determining the average temperature value of the strip steel in the width direction in an integral mode, wherein the point corresponding to the temperature data, exported through analysis software, of the temperature measuring line A is the relative position point B of the shooting picture space, and the position point without the actual width of the strip steel needs to be converted. The method further comprises the step of calculating the edge temperature drop values of the operation side and the transmission side of the hot-rolled strip steel, so that the temperature drop values of the operation side and the transmission side of the hot-rolled strip steel in the width direction are simply, conveniently and objectively calculated; and finally, quantitatively evaluating the temperature uniformity of the hot-rolled strip steel.

The invention discloses a method for evaluating drilling of a buckling tubular column in a bent horizontal borehole. The method comprises the steps of 1, building a simulation system used for evaluating performance parameters of the buckling tubular column; 2, obtaining initial parameter information of the simulation system in a first test; 3, starting a power device in the simulation system, andobtaining first posture information, which changes along with time, of the buckling tubular column and second posture information of a drill bit in the horizontal drilling process in real time; 4, turning off the power device, and obtaining ending parameter information of the first test; 5, adjusting the initial parameter information, obtaining the initial parameter information of the nth test, repeating the test according to the initial parameter information, and obtaining all information of the n times of testing; and 6, obtaining evaluation information of the buckling tubular column according to all the information of the n times of testing. By means of the method, the drilling state of the tubular column in the bent horizontal borehole can be evaluated rapidly and quantitatively, and the accuracy and real-time performance of evaluation are guaranteed.

The invention discloses an infrared temperature measurement method capable of reducing environment temperature contrast. The method may include the steps of: determining a constant blackbody temperature source TB; when the measurement distance is determined, obtaining the specific gravity relation between the black body temperature TB and the environment temperature TU at different environment temperatures by changing the environment temperature TU; when the environment temperature is determined, obtaining the specific gravity relation between the environment temperature TU and the black body temperature TB under different measurement distances by changing the measurement distances; and calculating the actual temperature of the measured object through the proportionality coefficient. According to the invention, the measurement error caused by the environment temperature contrast can be effectively reduced, the measurement is accurate, and the measurement error can be effectively reduced.

The invention relates to the field of automatic driving, and discloses an automatic driving track evaluation method, device and equipment and a storage medium, and the method comprises the steps: collecting a driving data set and a corresponding actual driving track; segmenting the driving data set based on a preset time interval to obtain a plurality of scene driving data packets; simulating the scene driving data packet to obtain a simulated driving track; and comparing the difference between the simulated driving track and the actual driving track, and performing similarity calculation according to the difference to obtain the track similarity corresponding to the driving data packet of each scene. According to the method, a large amount of human driving data is collected, then the data is played back in a simulation environment, an automatic driving system operates in the simulation environment, the difference between an automatic driving track and a human track is compared, a comprehensive score is given in combination with map information, the score can quantitatively, objectively and accurately evaluate the similarity between automatic driving and human drivers, and can be used for optimizing the output of an automatic driving algorithm.

The invention relates to a casing pipe buckling evaluation method in an inclined well cementing process. The method comprises the following steps of making a well wall simulation unit be in an inclined state through an inclination control unit so as to simulate an inclined well; making a cement paste control valve be opened to make cement paste in a cement paste storage and collection device flowinto a cavity; detecting a vertical tension, a torque and displacement of a hollow casing pipe, and recording a pressure value detected by an annulus pressure sensor; performing buckling evaluation onthe hollow casing pipe according to the pressure value detected by the annulus pressure sensor and the vertical tension, the torque and the displacement of the hollow casing pipe; and by analyzing astress change process of the hollow casing pipe, realizing monitoring and evaluation of the buckling of the hollow casing pipe. The method is easy to implement, convenient to operate and good in feasibility, the influence of cement paste buoyancy on a stress change of the hollow casing pipe in the inclined well cementing process can be simply, conveniently, quickly and quantitatively evaluated, and a purpose of evaluating the buckling of the casing pipe is achieved.